Unit 1 Section Ⅱ Discover useful structures-【金版新学案】2025-2026学年高中英语选择性必修第三册同步课堂高效讲义教师用书（人教版）

Section Ⅱ　Discover useful structures ——动词不定式作表语 阅读以下短文，感知黑体部分，并完成练习。 语法串烧 我的发现 　　The purpose of artworks is ①to give people certain feelings，such as a sense of joy or sadness from the inside out.Good works of art seem not only ②to play a role in visual appreciation of life，but also ③(to) help people understand the nature.They even appear ④to be transformed into spiritual strength to support our lives，making every detail of life as meaningful as the person or object in the work of art. 1．黑体部分均为动词不定式作表语，结构为“系动词be＋to do/系动词be＋to be done”。 2．加黑处③中的to可以省略。 语法知识精讲 动词不定式作表语 动词不定式是非谓语动词的一种形式，可以放在系动词be之后作表语，通常说明或解释主语的内容，也可表示将来的动作。 1．动词不定式作表语的基本用法 (1)动词不定式作表语，一般紧跟在系动词如be，seem，remain，appear，get等后面，用来说明主语的内容。 (2023·全国甲卷)And the only way for us to get into the habit of waiting is to practice. 我们养成等待习惯的唯一方法就是练习。 (2)主语是以way，aim，duty，hope，dream，idea，intention，purpose，mistake，plan，proposal，job，suggestion，task，goal等抽象名词为中心词的名词词组，常用动词不定式作表语。 学生用书第9页 (2023·新课标Ⅰ卷)My suggestion is to group students based on their language abilities or to let students choose their own partners. 我的建议是根据学生的语言能力进行分组，或者让学生自己选择搭档。 (3)动词不定式表达的含义： ①主语(事物)＋be＋动词不定式(作表语)表示主语的具体内容。 ②主语(人)＋be＋动词不定式(作表语)表示将来的动作。 His plan is to clean the room. 他的计划是打扫房间。 The students are to meet at the school gate tomorrow. 明天学生们将在学校大门口见面。 (4)在某些句型中，当主语部分有实义动词do及其不同形式时，作表语的动词不定式可以省略to。 All you do now is (to) complete the form. 你现在要做的是把这张表填好。 What I'll do is (to) tell her the truth. 我要做的就是告诉她真相。 (5)有些作表语的动词不定式，在结构上是主动的，但在意义上却是被动的。 She is to blame.她应该受到责备。 Something is still to find out.有些东西还有待查明。 ◎巧学活用1——单句语法填空 ①My aim is to go(go) to Tsinghua University. ②She seemed to think(think) about the problem. ③They appeared to agree(agree) with what we said. ④What I want to do most in senior high is (to) improve (improve) my English. 2．动词不定式与动词-ing形式作表语的区别 动词不定式作表语 强调的是一次性、具体的、将要发生的动作 动词-ing形式作表语 强调的是一般性、抽象的、经常发生的动作 My dream is to enter Peking University. 我的梦想是考入北京大学。 My first job was working at the Ukiah Library when I was 16 years old. 我16岁时，第一份工作是在尤凯亚图书馆工作。 ◎巧学活用2——单句语法填空 ①To do two things at a time is (to) do (do)neither. ②Our work is serving (serve) the people heart and soul. ③Its goal is to make (make) sure all children have a chance for education. ④Old Tom's present job is sweeping (sweep)streets every day. 学生用书第10页 核心词汇练全 memorial n．纪念碑(或像等)，纪念品；纪念物 adj.纪念的；悼念的 (教材原句)...to build a memorial to the heroes who saved their lives. ……建造一座纪念碑，以纪念那些拯救了他们生命的英雄们。 (1)a memorial statue/prize　 纪念雕像/奖 (2)memory n. 记忆；记忆力 in memory of 为了纪念…… (3)memorize vt. 记住；记忆 memorable adj. 难忘的；值得纪念的　　 单句语法填空/完成句子 (1)Working with Peter was a truly memorable (memory)experience and a definite highlight of my career. (2)He studied his map，trying to memorize(memory) the way to Rose's street. (3)The painting will be a lasting memorial(memory) to a remarkable woman. (4)据我所知，端午节是为了纪念屈原，中国古代的一位诗人。 As far as I am concerned，the Dragon Boat Festival is in memory of Qu Yuan，a poet in ancient China. 学科网（北京）股份有限公司 $